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L-type calcium channel

The L-type calcium channel is a type of voltage-dependent calcium channel. Like the others of this class, the α1 subunit is the one that determines most of the channel's properties.

Additional recommended knowledge

Daily Sensitivity Test

How to quickly check pipettes?

Daily Visual Balance Check

L-type calcium channel blockers are used as antiarrhythmics or antihypertensives, depending on whether the drugs has higher affinity to the heart (like verapamil) or to the vessels (nifedipine).

L-type channels are selectively blocked by dihydropyridines.

Genes

CACNA1C, CACNA1D, CACNA1S, CACNA1F

v • d • e Membrane transport protein: ion channels
Ca²⁺: Calcium channel	Voltage-dependent calcium channel (L-type/Ca_vα(1.1, 1.2, 1.3, 1.4), N-type, P-type/Ca_vα(2.1), Q-type, R-type, T-type, β-subunits (β1, β2, β4), γ-subunits (γ2) • Inositol triphosphate receptor • Ryanodine receptor • Cation channels of sperm • Two-pore channel
Na⁺: Sodium channel	Na_vα (1.1, 1.2, 1.4, 1.5, 1.7, 1.9) • Na_vβ (1, 3, 4) • Epithelial sodium channel
K⁺: Potassium channel	Voltage-gated (K_vα (1.1, 1.2, 1.3, 1.4, 1.5, 2.1, 4.2, 4.3, 7.1, 7.2, 7.3, 7.4, 10.1, 11.1/hERG) • K_vβ (1, 2), Shaker gene, KCNE1) • Calcium-activated (BK channel, SK channel, SK3) • Inward-rectifier K_ir (1.1, 2.1, 2.2, 2.3, 3.1, 3.2, 3.4, 4.1, 4.2, 6.1, 6.2)) • Tandem pore domain K2P (1, 2, 3, 4, 6, 9)
Cl^-: Chloride channel	Cystic fibrosis transmembrane conductance regulator
Porin	Aquaporin (1, 2, 3, 4) • Voltage-dependent anion channel (1)
Cations: TRP	TRPA (1) • TRPC (1, 2, 3, 4, 4AP, 5, 6, 7) • TRPM (1, 2, 3, 4, 5, 6, 7, 8) • TRPML (Mucolipin-1) • TRPP (1, 2)• TRPV (1, 2, 3, 4, 5, 6)
Other/general	Voltage-gated ion channel • Ligand-gated ion channel • Cyclic nucleotide-gated ion channel (α1, α3, β3, H1, H2, H4) • Stretch-activated ion channel